This photo provided Montgomery County Sheriff's office shows a booking mugshot of Alabama Gov. Robert Bentley on Monday. Jail records show Bentley has been booked on two misdemeanor charges that arose from the investigation of alleged affair with a top aide. AP

Travis County Sheriff's Office photo of Texas Governor Rick Perry who was booked on two counts of abuse of power in Austin on Aug. 19. Travis County Sheriff's Office via european pressphoto agency

U.S. Rep. Tom Delay, R-Texas, turned himself in Oct. 20, 2005, to the Harris County Sheriff's Office to face charges of money laundering. Harris County Sheriff's Office via Getty Images

Former U.S. senator and Democratic presidential candidate John Edwards was charged with six counts of misusing campaign money to hide an extramarital affair. He was acquitted in 2012 on one count, and a North Carolina jury deadlocked on the other charges. AFP/Getty Images

U.S. Sen. Mike Crapo, R-Idaho, pleaded guilty in 2013 to driving under the influence and had his driver’s license suspended for 12 months. The senator, who is Mormon and said he does not drink alcohol, had a blood-alcohol level of .14. AFP/Getty Images

Rush Limbaugh turned himself in to the Palm Beach County Sheriff's Office in April 2006. Investigators said he was going to different doctors to acquire prescriptions for powerful painkillers. Prosecutors settled the case on the condition that the conservative talk show host continued addiction counseling and was not arrested again. He paid fines and court costs. Palm Beach County Sheriff's Office via AP

Noelle Bush, 24, daughter of Florida Gov. Jeb Bush and his wife, Columba, was jailed in July 2002 in Orlando for not meeting the conditions of a court-ordered drug treatment plan. Orange County Sheriff's Office via AP

Photos released by the Metropolitan Airports Commission Police Department show former Sen. Larry Craig, R-ID., taken at the time of his arrest on June 11, 2007 at the Minneapolis-St. Paul International Airport. AP